DC2275A - Schematic

5
4
3
2
1
OPTIONAL CIRCUIT
C1
D
OPT
1206
VIN
10V ‐ 48V
D1
D2
OPT
D
OPT
C2
OPT
2220
R2
OPT
1206
L1
330µH
Sumida
CDRH8D43RT125NP‐331MC
E1
GND
E2
R3
1M
C
C3
10µF
50V
1206
C
1
EN/UVLO
E5
INTVCC
R12
215K
1%
3
7
VIN
BIAS
UVLO
SW
SW
U1
LT8331EMSE
R13
0
FBX
12
SYNC
E3
R6
(Opt)
B
C6
0.22µF
10
14
R8
154k
1%
VOUT
C4
1µF
250V
2220
C5
1µF
250V
2220
E6
C7
1µF
R7
13.3K
1%
*
17
E4
VIN
IOUT
10V
25mA
12V
30mA
24V
55mA
36V
70mA
48V
80mA
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
TECHNOLOGY
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
TITLE: SCHEMATIC
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
1. ALL RESISTORS 0630.
ALL CAPACITORS 0603.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
GND
B
GND
NOTE: UNLESS OTHERWISE SPECIFIED
*
0805
GND
A
120V
1M 0805
4.7pF
C8
INTVCC
6
NC 8
NC
E7
R5
5
SS
RT
BAV21W‐7‐F
9
SYNC
INTVCC
11
D3
16
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
A
HIGH VOLTAGE, 0.5A BOOST / FLYBACK / SEPIC
INVERTING CONVERTER
SIZE
IC NO.
REV.
LT8331EMSE
N/A
2
DEMO CIRCUIT 2275A
DATE:
SHEET
Tuesday, September 01, 2015
2
1
1
OF
1
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